Gould, A. A., 1853. Descriptions of shells from the Gulf of California and the Pacific coasts of Mexico and California. Boston Journal of Natural History, 6: 374 -408 . (1.47 MB)
New Species-Group Names:
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comptus Gould, 1853. p. 387. pl. xiv. f. 23.
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pusillus Gould, 1853. p. 388. pl. 14. f. 22.
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ravus Gould, 1853. p. 386. pl. 14. f. 21.